18828321

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:952

約数の個数: 16

約数和(自身を含む): 25736448

約数和(自身を除く): 6908127

約数列:

[1, 3, 61, 137, 183, 411, 751, 2253, 8357, 25071, 45811, 102887, 137433, 308661, 6276107, 18828321]

約数ペア:

[(1, 18828321), (3, 6276107), (61, 308661), (137, 137433), (183, 102887), (411, 45811), (751, 25071), (2253, 8357)]